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Mirror and laser beam angle please help

  • Thread starter BuBbLeS01
  • Start date
  • #1
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Mirror and laser beam angle...please help!!!

1. Homework Statement
The mirror deflects a horizontal laser beam by θ=59°. What is the angle φ?


2. Homework Equations



3. The Attempt at a Solution
I don't understand this. How am I supposed to figure out φ?
 

Answers and Replies

  • #2
tiny-tim
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I assume φ is the angle of incidence.

Have you drawn a diagram?

What have you drawn … ? :smile:
 
  • #3
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I have the beam being reflected with lines drawn the upper left and lower left
 
  • #4
tiny-tim
Science Advisor
Homework Helper
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You haven't told us where you've put the 59º in, nor where you've marked φ.

So … where are they?

Anyway, how much are the upper left and lower left angles? :smile:
 

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